/*
 *    This program is free software; you can redistribute it and/or modify
 *    it under the terms of the GNU General Public License as published by
 *    the Free Software Foundation; either version 2 of the License, or
 *    (at your option) any later version.
 *
 *    This program is distributed in the hope that it will be useful,
 *    but WITHOUT ANY WARRANTY; without even the implied warranty of
 *    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *    GNU General Public License for more details.
 *
 *    You should have received a copy of the GNU General Public License
 *    along with this program; if not, write to the Free Software
 *    Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
 */

/*
 *    Messages.java
 *    Copyright (C) 2011 University of Waikato, Hamilton, New Zealand
 *
 */

package weka.associations.gsp;

import java.util.Locale;
import java.util.MissingResourceException;
import java.util.Properties;
import java.util.ResourceBundle;

/**
 * Messages.
 * 
 * @author shingo.yamagami@ksk-sol.jp
 * @version $Revision: 7059 $
 */
public class Messages {
	private static Messages instance;
	private static Locale locale = Locale.getDefault();
	private static String packageLocation = Messages.class.getPackage()
			.getName();
	private static String DEFAULT_FILE_NAME = ".messages.messages";

	/**
	 * getInstance.
	 * 
	 * @return
	 */
	public static Messages getInstance() {
		if (instance == null) {
			instance = new Messages();
		}
		return instance;
	}

	/**
	 * getString.
	 * 
	 * @param key
	 * @return
	 */
	public static String getString(String key) {
		try {
			return ResourceBundle.getBundle(
					packageLocation + DEFAULT_FILE_NAME + "_"
							+ locale.getLanguage()).getString(key);
		} catch (MissingResourceException e) {
			try {
				return ResourceBundle.getBundle(
						packageLocation + DEFAULT_FILE_NAME).getString(key);
			} catch (MissingResourceException missingResourceException) {
				return null;
			}
		}
	}

	/**
	 * getString.
	 * 
	 * @param key
	 * @param locale
	 * @return
	 */
	public static String getString(String key, Locale locale) {
		try {
			return ResourceBundle.getBundle(
					packageLocation + DEFAULT_FILE_NAME + "_"
							+ locale.getLanguage()).getString(key);
		} catch (MissingResourceException e) {
			try {
				return ResourceBundle.getBundle(
						packageLocation + DEFAULT_FILE_NAME).getString(key);
			} catch (MissingResourceException missingResourceException) {
				return null;
			}
		}
	}
}
